fromFuturism
16 hours agoAnalyzing Ancient Footprints, Scientists Find Evidence Dinos Like T-Rex Did the "Moonwalk" to Attract Mates
We can tell they had two moves so far, one walking backwards and one moving side to side. If they were really excited they would step a few feet backwards and repeat the motion, which usually erases the back half of each earlier set of scrapes.
Science